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Epson Equity II Product Support Bulletin

Proper method for running benchmark and diagnostics programs equity/apex compatibility with the sota 386si
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Product Support Bulletin
Subject: Proper Method for Running Benchmark and Diagnostics Programs
Date: 06/04/93
Page(s): 1 of 1
This bulletin describes the proper method for running any benchmark or diagnostics
programs. This applies to any computer system.
In most cases, the computer should be started using an MS-DOS boot diskette
that's 'clean' - in other words, one with no CONFIG.SYS or AUTOEXEC.BAT files.
The appropriate executable can then be run, either from diskette or hard drive.
There will be some exceptions to the above rule. In attempting to benchmark or
troubleshoot any add-on that requires a device driver (CD-ROM, local area network,
etc.), obviously the necessary device driver(s) must be loaded. Also, some
programs will require a minimum number of FILES or BUFFERS to be defined in
the CONFIG.SYS file. Such programs will usually display this requirement if they
are run without the necessary CONFIG.SYS file.
For the most consistent results, use the absolute minimal boot configuration that's
allowed by the hardware being tested.
EPSON
PSB No: S-0158
Originator: MWT

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  Summary of Contents for Epson Equity II

  • Page 1 EPSON Product Support Bulletin Subject: Proper Method for Running Benchmark and Diagnostics Programs Date: 06/04/93 PSB No: S-0158 Originator: MWT Page(s): 1 of 1 This bulletin describes the proper method for running any benchmark or diagnostics programs. This applies to any computer system.
  • Page 2: Table Of Contents

    Computer Product Support Center, involving the SOTA 386si from SOTA Technology, inc. The Equity models tested were the Equity I, Equity II Equity I + and Equity le. The Apex models tested were the Apex, Apex Plus and Apex 100. All were tested with Norton Utilities and MS - DOS.
  • Page 3 Installation of the board in most of the units was quick and simple to do when following the installation instructions accompanying the boards. Installation of the SOTA 386si in the Equity I and the Equity II is rather difficult. Due to the amount of disassembly required, we strongly recommend that only Authorized Service Centers install the board in the Equity I and Equity II.
  • Page 4 Although these boards were tested by qualified product support specialists, Epson America makes no representations that these third party products are compatible with all hardware configurations or software applications. We recommend that you certify these products with your specific hardware and software requirements and consult with the third party vendor to ensure reliable operation.
  • Page 5 To date there has been no report of incompatibility between EGA boards and the Equity II. The key to a successful installation is to make sure that jumpers J1 and J2 on the system board are both in the default position (position 2), and that the system DIP switches are set for NO MONITOR (1 - 5 and 1 - 6 both up).
  • Page 6: Date: Page: 1 Of

    (1.2M and 1.44M) or normal (360K and 720K) disk drives. Equity II The Equity II was found to be totally incompatible with the OmniBridge controller. Equity III The Equity III was found compatible with the OmniBridge controller.
  • Page 7: Apex

    PSB No: S-0088B Page: 2 of 3 Equity II + The Equity II + was found compatible with the OmniBridge controller. It was able to support one or two external disk drives (daisychained) together. The external drives could be used as high density (1.2M and 1.44M) or normal (360K and 720K) disk drives.
  • Page 8 PSB No: S-008B Page: 3 of 3 APEX 100 The Epson APEX 100 was found compatible with the It was able to support one or OmniBridge controller. two external disk drives (daisychained) together. The external drives could be used as high density (1.2M and 1.44M) or normal (360K and 720K) disk drives.
  • Page 9: Apex Plus

    Product Support Bulletin Subject: Apex / Apex Plus / Equity Series Keyboards PSB No: S-0080 Date: 4/19/89 Originator: REM AL Page: 1 of 1 The purpose of this bulletin is to provide information on the various keyboards used with the Apex, Apex Plus and Equity series computers and the part numbers of the keyboard subassemblies used with these keyboards.
  • Page 10 Page: Originator: APA ap’ 1 of 8 This bulletin provides information on the jumper settings for the hard disk controllers used in Epson Equity computers. Please refer to the following pages for information regarding specific hard disk controllers: Model # Page # WD1002A - WX1 .
  • Page 11 HDD Controller WD1002A-WX1 (8-bit) Model number -------- -- Extra jumper FACTORY SETTINGS Position Description Jumper Not used. N / A Not used. N / A BIOS ROM is enabled (on controller). 1 to 2 Device address 320H. 2 to 3 BIOS ROM size (32K or 64K).
  • Page 12: Wd1002S - Wx2

    HDD Controller WD1002S-WX2 (8-bit) ‘--Extra jumper FACTORY SETTINGS Model number--j Jumper Position Description 1 to 2 Required for this configuration. 1 to 2 Required for this configuration. 1 to 2 BIOS ROM is enabled (on controller). 2 to 3 Device address 320H. * hard-wired 1 to 2 BIOS ROM size (32K or 64K).
  • Page 13: Wd1003 - Wah

    1 to 2 Status read is latched. Equity III Orange wire Primary address selected. Blue wire No jumper Equity II + * No jumper Required for this configuration. Red wire Equity III + 2 to 3 Required for this configuration.
  • Page 14: Wd1002 - Wah

    1 to 2 HDD activity LED only lights when the controller accesses the drive. Center to NL Connection of LED indicator cable : Model Pin 1 of J4 Equity III Orange wire Equity II + Blue wire Red wire Equity III +...
  • Page 15: Whdc

    HDD Controller WHDC (16-bit) FACTORY SETTINGS Connection of LED indicator cable : Jumper Position Description Model Pin 1 of CN6 * JP1 (J1) *2 to 3 (B to C) Primary address selected. Equity III Orange wire * JP2 (J2) * 1 to 2 (A to B) Status read is non-latched (select = drive busy).
  • Page 16: Wd1006S - Wah

    HDD Controller WD1006S-WAH (16-bit) Model number Connection of LED indicator cable : FACTORY SETTINGS Pin 1 of J1 Position Description Model Jumper LED lights for drive selection (non- latched). Red wire * 1 to 2 Equity 386/20 No reduced write current, 1 to 2 Enables cacheing.
  • Page 17: Factory Settings

    HDD Controller ACB-2320 (16-bit) FACTORY SETTINGS Connection of LED indicator cable : Jumper Position Description Model Pin 1 of J4 No jumpers Used for hardware port addressing. Equity 386/20 Red wire No jumpers Manufacturing test points (DO NOT JUMPER). No jumper Serial monitor output (DO NOT JUMPER).
  • Page 18 EPSON AMERICA, INC. PRODUCT SUPPORT BULLETIN SERVICE PAGE: 1 of 6 1/25/89 ORIGINATOR: DATE: PSB NO. : S-0068 II AND III MAIN BOARD JUMPER CONFIGURATIONS SUBJECT: EQUITY I, This bulletin describes jumper locations settings on the Equity I MRS board and Equity...
  • Page 19 NOTE: DO NOT ATTEMPT TO USE THE EPSON KEYBOARD WITH THESE JUMPERS INSTALLED AS DAMAGE WILL RESULT! * 8087 SUPPORT - Remove the jumper from position J1. * EGA MONITOR SUPPORT - Set dip switches 6 and 7 to the on position.
  • Page 20 EQUITY II MCY BOARD Y147201000 REV. 00 JUMPER CONFIGURATIONS Vol. Keyboard Reset Dip Switch JUMPER CONFIGURATIONS * There are no jumpers on this version board. The board is hard-wired to provide RAM refresh to the option slots. * An 8087 coprocessor cannot be used.
  • Page 21 EQUITY II MCY BOARD Y147201000 REV. 01 & 02 JUMPER CONFIGURATIONS board Y147201000 revision and 02 differences. Revision 02 MCY boards have the following improve- ments over the 01 revision MCY board. * Serial port works over 1200 baud. * Concurrent oper- ation of 8087 &...
  • Page 22 1 to use an IBM compatible keyboard. * J3 and should be in position 2 (default) for the Equity keyboard. NOTE: DO NOT ATTEMPT TO USE THE EPSON KEYBOARD WITH JUMPERS J3 AND POSITION 1 AS DAMAGE MAY RESULT! Page 5 of 6 -----...
  • Page 23 EQUITY Ill MAIN BOARD DIP-SWITCH SETTINGS SWITCH FUNCTIONS (*Factory settings) Switch Function RAM size 640KB* Disable Monochrome* Monitor type Color 1-3 - 1-6 See Table 4-2 in User's Guide PROM size Disable Enable* Serial Port Disable* Unused Disable Floppy Disk FDC Enable* Disable Parallel...
  • Page 24 SOTA 286i from SOTA Technology, Inc. and the 286 Express from PC Technologies, Inc. The Equity models tested were the Equity I, Equity II and Equity I+. All three were tested with Norton Utilities and Windows/286. (The memory of the Equity I used in the test was upgraded to 512K in order to accommodate Windows/286.)
  • Page 25 Installation of either board in the Equity I + was quick and simple to do when following the installation instructions accompanying the boards. Installation of the SOTA 286i in the Equity I and the Equity II is rather difficult. Due to the amount of disassembly required, we strongly recommend that only Authorized Service Centers install the board in the Equity I and Equity II.
  • Page 26 Our Computer Product Support Center receives numerous calls requesting information and recommendations on 80286 Accelerator boards for use with the Equity I and I + (8088 - based) and the Equity II (8086 - based) personal computers. We have found that the SOTA 286i and 286 Express products may meet your...
  • Page 27 DISABLING DISK SUBJECT: THE FLOPPY CONTROLLER IN EPSON COMPUTERS This bulletin covers the ability or inability to disable the floppy disk controller in the Epson computers. FDC CAN COMPUTER D I S A B L E D Equity Equity Equity...
  • Page 29 Some of the major differences between the earlier versions which were improved in the latest versions are: * Third party IBM compatible keyboard support - The early revision boards did not have jumpers to select non-Epson keyboards. * Optional RAM board support - The earliest revision MCY...
  • Page 30 EQUITY II MCY BOARD HISTORY L a t e s t R e v . E a r l i e s t R e v . S t a r t i n g S e r i a l N u m b e r...
  • Page 31 Product Support Bulletin Subject: Using Expanded Memory with Equity and Apex Computers PSB No: S-0047C Date: 3/2/90 Originator: KAS ‘/“p& Page: 1 of 6 What is Expanded Memory? Conventional memory, managed by MS - DOS, is limited to 640K. In response to the need for greater amounts of accessible memory, the LIM EMS (Lotus/Intel/Microsoft Expanded Memory Specification) was introduced in 1984.
  • Page 32 PSB No: S-0047C Page: 2 of 6 What about the 155Mb RAM listed as the maximum for the Equity III +? This larger amount of RAM is the maximum usable memory range for an 80286 microprocessor and generally refers to extended memory.
  • Page 33 PSB No: S-0047C Page: 3 of 6 What memory expansion boards are compatible with the Equity I and Equity II? The following boards have been tested by Epson in the Equity I and All Card w/MMU Multifunction All Computers, Inc. Quadram Corporation Liberty PC Everex Systems, Inc.
  • Page 34 Intel Corporation NOTE: Previously boards from Micron Technology were listed as compatible with the 12MHz models of the Equity II + and Equity Ill +. They have been removed from the list because Micron no longer produces ISA memory boards.
  • Page 35 No, the option slots on the LT require a special connector. The hard drive controller and the LT cartridge modem are the only option cards currently available from Epson America. Q16. What expanded memory boards are compatible with the Apex by...
  • Page 36 Which Epson computers have memory settings that allow backfilling memory? The Equity I, Equity I +, Equity II + and Equity Ill + allow backfill. The Equity I comes with 256K standard and the Apex comes with 512K, thus allowing backfill. The Equity I + has DIP switch settings allowing system memory to be disabled to 256K or 512K.
  • Page 37 The purpose of this bulletin is compatibility third party enhanced "AT" style keyboards with the Equity I, Equity II and Equity III computers. Keyboard Compatibility "Plus" series keyboard cannot be used on an enhanced Equity Equity III. enhanced Equity...
  • Page 38 Page 3 provides information on typical Epson supplied option boards, floppy disk drives and hard disk drives for the Equity series computers. Page 1 of 3...
  • Page 39 EQUITY SERIES COMPUTERS AVAILABLE POWER VERSUS SYSTEM BOARD SUBASSEMBLIES CURRENT DRAW REQUIREMENTS Output Voltage Keyboard 110mA I+ Avail. 7.5A 4.4A Equity II Avail. power I 300mA 1300mA 1 1.8A MCY board 110mA Keyboard Equity II+ Avail. power 1 300mA 1300mA 1 2.5A...
  • Page 40 EQUITY OPTIONS POWER CONSUMPTION +12V -12V OUTPUT VOLTAGE Color Video Adapter 500mA Monochrome Video Adapt. 270mA MGA Multimode Video Bd. EGA Video Adapter Bd. Epson Mouse & Interface 50mA 8087/80287 Coprocessor 310/375mA WD1002-WAH HDC 0.5mA 1.5A WD1002-WX2 HDC 630mA WD1003-WAH HDC 0.5mA...
  • Page 41 EPSON EPSON AMERICA INC. SERVICE DEPARTMENT PRODUCT SUPPORT BULLETIN DATE: 3/3/88 NUMBER: S-0038 SUBJECT: EQUITY SERIES FLOPPY DISK DRIVE SPECIFICATIONS purpose this bulletin is to provide information on technical specifications Epson supplied floppy disk drives used in the Equity series computers.
  • Page 42 Page 2 of 2...
  • Page 43 EPSON EPSON AMERICA INC. SERVICE DEPARTMENT PRODUCT SUPPORT BULLETIN DATE: 3/2/88 NUMBER: S-0037 SUBJECT: LEAP YEAR / MS-DOS 3.1 DATE CHANGE This bulletin describes problem identified Epson's MS-DOS version which supplied with Equity II and Equity personal computers. March 1988...
  • Page 44 57,600 bps. If you attempt to load Lap-Link with its default settings on an Equity II, the system will simply lock up, forcing a reset. The first (and easiest) way of dealing with this situation is to configure Lap-Link on a different system.
  • Page 45 Equity special setup required Equity III+ special setup required The Epson 3.5" floppy disk drive is not compatible with the III. Equity Equity * Manzana Microsystems Inc. offers a 3.5", 720KB floppy disk drive which compatible with Equity computer when used with their 3FIVE device driver.
  • Page 46 RODUCT UPPORT PAGE: 1 of 1 DATE: 6/29/88 PSB NO.: S-0027A SUBJECT: EQUITY II WITH THE EPSON 3.5" FLOPPY DRIVE The Equity has been tested with the Epson 3.5" floppy disk is to detail drive (A112A-AA). The purpose of this bulletin...
  • Page 47 Equity I and Equity II computers. These programs available from Epson America Inc. Service Department, Product Support - Systems Group diskette. The patch disk files (PATCH.ARC) can also be downloaded from the...
  • Page 48 FOR EQUITY I: - Modifies DU.EXE, SETUP.EXE, ARCHIVE.EXE COMPOSIT.BAT HDSIT.EXE improve brightness messages when using composite monitor. GOLDCARD.BAT - Modifies DU.EXE, SETUP.EXE, ARCHIVE.EXE, SETPRINT.EXE XTREE.EXE they will with QUADRAM Goldcard with Keysaver enabled. - For those RAM DISK utilities which need it, an EQRAMDVR.SYS "empty"...
  • Page 49 (MODE MONO); this version does. MODE.COM is a modified version of the Equity II MODE utility. The MODE utility supplied with the Equity II will not work properly in the following configuration: Internal video: Set to monochrome mode with...
  • Page 50 Hercules monochrome graphics. (See page instructions installing using HGC.COM.) FIXRPORT.COM - Program to let Lotus Report Writer use Equity II Color mode. Report Writer apparently forces Equity II into monochrome video mode even when a color video adapter attached. Page 4 of 9...
  • Page 51 MATHBLAS.COM INSTALLATION educational game produced Davidson Math Blaster Torrance Calif. It works well with entire Associates large Equity series except the Equity 1 running color mode. that numbers Math Blaster places screen done mode. These numbers appear as square blocks of garble graphics on the Equity 1 color screen.
  • Page 52 WHY AND HOW TO USE EQRAMDVR.SYS Many RAM disk programs supplied with expansion boards do not The Equity I work with an Equity I with dual floppy disks. supports only two floppy disk drives, and these programs expect the operating system to treat it as a floppy disk. RAM disk utilities that are in device driver form (must be specified CONFIG.SYS)
  • Page 53 EQRAMDVR.SYS OPTIONS OPERATION Typing a /n (where n is a There is one option for EQRAMDVR.SYS. number from 1 to 4) after DEVICE=EQRAMDVR.SYS sets the number of instructions above, RAM disks that can be supported. If the /n /2 will allow the Equity I to support two RAM disks. option is omitted,- EQRAMDVR.SYS sets up support for one RAM disk.
  • Page 54 SYSTEM: EQUITY HERCULES MODE VPHERC.COM (MEMORY RESIDENT) program which enables PLANNER to function properly when running on the Equity II configured HERCULES video support. VPHERC before running PLANNER. It is suggested that you make a batch file in order to accomplish this.
  • Page 55 ROMPATCH INSTALLATION INSTRUCTIONS Some Equity I and Equity II computers have trouble running certain application programs (Lotus 1-2-3 Version example) because they have an early version of ROM BIOS. This diskette contains patch named ROMPATCH.COM which either corrects problem (by patching the ROM) or tells you that your computer does not need it.
  • Page 56 Page: 1 of 1 Originator: REM/v After installing MS - DOS 3.2 on the Equity II hard disk drive, whenever the 1.2MB floppy disk drive is accessed after booting from the hard disk the following error message is generated: “DISK READ ERROR ABORT, RETRY, IGNORE?”...
  • Page 57 E P S O N EPSON AMERICA INC. DEPARTMENT SERVICE BULLETIN SUPPORT PRODUCT DATE: 12/2/87 NUMBER: S-0019B SUBJECT: EQUITY SERIES/APEX MATH CO-PROCESSOR SELECTION GUIDE The purpose of this bulletin is to assist in selecting the appropriate numeric co-processor Epson,Equity series...
  • Page 58 DATE: 09/16/87 SUBJECT: Equity Series Compatibility Certifications Three more third-party vendors have published compatibility certifications for Epson Equity series PCs. Santa Cruz Operations, Fox Research Inc. and hardware Manzana Microsystems Inc. now have certified their software and/or products as specified below.
  • Page 59 Fox Research. Inc. continued COMMENTS PRODUCT NAME PRODUCT DESCRIPTION 10-Net RS-232 Gateway Communications bridge Tested on: It, III+ between LANs Equity 10-Net RS-232 PC Remote Remote communications Tested I+, III+ to LAN Equity 10-Test Diagnostic Module LAN Diagnostics Tested on: I+, III+ Equity 10-Net Repeater...
  • Page 60 Inc. Manzana Microsystems. Manzana provides a variety of 3.5” floppy disk drive systems. PRODUCT NAME PRODUCT DESCRIPTION COMMENTS Self-Powered 720 KB External Tested on: II, III (Requires MUX Card) Equity Host-Powered 720 KB External Tested II, III (Requires MUX Card) Equity Internal 720 KB Internal...
  • Page 61 PSB Number S-0001). Equity Epson Q520A-AA (360 KB)l --- -- Equity Epson Q213A-AA (360 KB) --- --- Epson A112A-AA (720 KB, 3.5") Equity Epson Q213A-AA (360 KB) --- --- Epson Q911A-AA (1.2 Equity Epson Q213A-AA (360 KB) --- ---- Epson Q212A-AA (1.2 MB)
  • Page 62 DATE: 08/25/87 SUBJECT: Equity Series Compatibility Certifications Recently, four leading vendors of communications products have issued certifications of compatibility for the Epson Equity series of PCS. The products range from local-area networking to multi-user applications to micro-to- mainframe connectivity. Arnet Corporation Arnet Corporation produces multi-user expansion boards that allow terminals to be connected to PCs using multi-user operating systems.
  • Page 63 Recognized as a top alternative to IBM connectivity products, IDEAssociates provides full selection of 3270/78 and 5250/51 hardware and software solutions for micro-to-mainframe applications. Please see the following list for a complete breakdown of their Epson-compatible products. Epson-compatible Products - IDEAssociates Page 2 of 3...
  • Page 64 Equity I not tested as a server. Workstation compatible. Equity II has limited server capability; intended primarily as a workstation. uploading a copy of 3Com’s Application Note for the Equity II to the and/or download it. Product Support BBS. Please feel free to read...
  • Page 65 SUBJECT: MS-DOS 3.2 FOR THE EQUITY I/II/III provide on the purpose this bulletin information availability MS-DOS 3.2 for Equity I, Equity II and Equity III installing MS-DOS systems. Also included instructions on hard drive systems currently using earlier revisions of MS-DOS. been...
  • Page 66 Equity a general statement software support. With the introduction of the Equity It and III+, Epson brought out enhanced keyboard design very similar enhanced keyboard introduced by IBM on the Model 339 AT. There are a couple of areas to make note of.
  • Page 67 SUBJECT: EQUITY PROBLEMS IMPROPER DIPSWITCH SETTINGS We would like to make you aware of a couple of different problems caused by improperly set dip switches on the Equity II computer. Some customers have complained about Lotus 123 version 2.0 not...
  • Page 68 E P S O N EPSON AMERICA INC. SERVICE DEPARTMENT BULLETIN SUPPORT PRODUCT 2 / 6 / 8 7 DATE : NUMBER: S-0005 SUBJECT: EQUITY I/II HARD DISK INITIALIZATION This is a basic guide for the installation initialization for the...
  • Page 69 somewhat more complicated. will format is The NCL cylinders (615), number drive number (0), number reduced write current (615), write precompensation heads (4), error burst length (11). maximum data (615) and parentheses would typical numbers given here all is correct; yes, it HMD-720-802.
  • Page 70 E P S O N EPSON AMERICA INC. SERVICE DEPARTMENT BULLETIN SUPPORT PRODUCT NUMBER: S-0002 DATE: 2/4/87 SUBJECT: USING PLUS DEVELOPMENT "HARDCARD" WITH EQUITY I/II Plus Development "HardCard" megabyte fixed disk mounted expansion slot card, for use in IBM PC/XT and compatible computers.
  • Page 71 installation routine (INSTALL.EXE, files comprise These PATCHFMT.EXE, PREPARE.BAT, SHELL.BAT), Plus INSTALL.DAT, menu program (HCD*.*), supplemental Development fixed disk utilities (LIGHT.COM SOUND.COM). computer, Once HardCard been physically installed user boots system with PC-DOS/MS-DOS (from floppy drive), runs SYS.EXE (which is named SYS.COM on Equity MS-DOS) to HardCard, then copies several DOS files transfer o/s to...
  • Page 72 - MODIFIED EPSON EQUITY I/II HARDCARD INSTALLATION MS-DOS disk (EQUITY II computer using Epson Boot USERS ONLY: run SETUP.COM and set drive C: for "Not installed others"). system transfer operating Enter hardcard. Copy COMMAND.COM FORMAT.COM from MS-DOS diskette into the root directory of the HardCard.
  • Page 73 EPSON EPSON AMERICA, INC. SERVICE RODUCT S UPPORT ULLETIN NO.: DATE: PAGE: 1 of 5 6/29/88 S-0001C SUBJECT: EQUITY SERIES FDD/HDD COMPATIBILITY MATRIX This document provides updated compatibility information floppy disk drives, hard disk drives and hard disk controllers which have been supplied or are currently being supplied with...
  • Page 74 PAGE: 2 of 5 NUMBER: S-0001C PANASONIC JU-595-10 COMMENT CODE EXPLANATIONS: A. Requires insulating sheet when installed in lower position in Equity See TIB Equity 11-006. B. Jumper block - Position DS0 for drive A, DS1 for drive B C. Equity must have ROM BIOS version 2.21(MSA-B4) and MS-DOS 2.11 Release 1.04 or higher to use this drive.
  • Page 75 PAGE: 3 of 5 NUMBER: S-0001C EQUITY SERIES HARD DISK DRIVE COMPATIBILITY MATRIX HMD-720-802 COMMENT CODE EXPLANATIONS: A. Comes with black front bezel. B. When used with Equity use format procedure #2 on page 5. C. Follow format procedure #2 on page 5. The NCL Hard Disk Controller Board (NDC5027-49) and DK-505-2 HDD must be used...
  • Page 76 WD1002S-WX2C027 62-000062-010-1 WD1002A-WX1E027 62-000062-010-1 B,C,D 62-000062-13 NDC5207-49 WD1002-WAH 62-001020-10 62-001027-11 EPSON WHDC BOARD Y127203000 ROM VERSION WD1015PL-27 -27B 62-002008-011 -061 CODE EXPLANATIONS: A. Follow format procedure #2. NCL Hard Disk Controller Board (NDC5027-49) and DK-505-2 HDD must be used together.
  • Page 77 5 of 5 PAGE: NUMBER: S-0001C HARD DISK FORMATTING INFORMATION *****IMPORTANT**************IMPORTANT **++****+**+*+++++IMpQRTANT***** ALWAYS FORMAT THE HDD WITH THE SAME VERSION CONTROLLER BOARD AND HDC CPU FIRMWARE VERSION IT WILL BE USED WITH. NECESSARY REFORMAT IT IS BIOS IS UPGRADED AS LONG AS THE SAME FIRMWARE CPU USED.